An older accounting firm has just been purchased and as the

An older accounting firm has just been purchased and as the newly hired IT director, your job is to put together a proposal of how to bring this accounting firm into the modern age. As you tour the accounting firm, you take stock of the current IT infrastructure and notice that there is a variety of different brands of computers running everything from Windows 98 to Windows 7 (including Windows XP, Vista and Windows 2000 Millenium Edition). Put together a proposal that discusses the pros and cons of using the existing infrastructure, upgrading everything, or out-sourcing and support one of these options as the most cost effective solution.